Alexei Navalny, Russian President Vladimir Putin's most formidable domestic opponent, fell unconscious and died on Friday after a walk at the "Polar Wolf" Arctic penal colony where he was serving a three-decade sentence, authorities said. The death of Navalny, a 47-year-old former lawyer, robs the disparate Russian opposition of its most courageous leader as Putin prepares for an election which will keep the former KGB spy in power until at least 2030. You can subscribe to Five Minute News with Anthony Davis on YouTube, with your preferred podcast app, ask your smart speaker, or enable Five Minute News as your Amazon Alexa Flash Briefing skill.  Join our Patreon for bonus content, commentary and more, at patreon.com/fiveminutenews Join our exclusive YouTube channel membership www.youtube.com/fiveminutenews Five Minute News is an Evergreen Podcast, covering politics, inequality, health and climate - delivering independent, unbiased and essential news for the US and across the world. Learn more about your ad choices. Visit megaphone.fm/adchoices